Apostle Transformation Starting from Pirates

Karn transmigrates to the world of Pirates and obtains a job change system. Initially, he wanted to become a generation sword god, but he ended up becoming a battle mage. He has stepped into the abyss where giant beasts roared, witnessed with his own eyes the magnificent spectacle of nine dragons pulling a coffin away, and also debated with saints. This is the story of an ordinary person who has gone through countless worlds, becoming the strongest apostle.——————————This book is of the Infinite Heavens genre, One Piece → ???